Cheap flights from Ontario to Key West from C$ 403
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/5. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from Ontario to Key West
Keep the following information in mind while searching for Ontario to Key West flight deals. Data was last updated 2 April 2025.
Find flight deals from Ontario to Key West
Cheapest flights from Ontario to Key WestExplore the most affordable flight options available from Ontario to Key West. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 April 2025.
Explore the most affordable flight options available from Ontario to Key West. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 April 2025.
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to Key West that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 2 April 2025.
Use the filters below to find and compare flights from Ontario to Key West that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
TorontoKey West
YYZ - EYW
YYZEYW
Toronto Pearson Intl
Sat 23/8
9:00 p.m.-6:05 p.m.
2 stops21h 05m
Key West
Sat 30/8
6:45 p.m.-7:37 p.m.
2 stops24h 52m
MontrealKey West
YUL - EYW
YULEYW
Montreal Pierre Elliott Trudeau Intl
Sat 21/6
8:15 a.m.-9:42 a.m.
3 stops25h 27m
Key West
Sat 28/6
3:58 p.m.-12:37 a.m.
3 stops32h 39m
MontrealKey West
YUL - EYW
YULEYW
Montreal Pierre Elliott Trudeau Intl
Thu 17/4
6:35 p.m.-6:05 p.m.
2 stops23h 30m
Key West
Mon 21/4
8:45 a.m.-10:28 a.m.
2 stops25h 43m
TorontoKey West
YYZ - EYW
YYZEYW
Toronto Pearson Intl
Fri 16/5
11:30 a.m.-5:30 p.m.
1 stop6h 00m
Key West
Fri 23/5
6:25 p.m.-11:55 p.m.
1 stop5h 30m
TorontoKey West
YYZ - EYW
YYZEYW
Toronto Pearson Intl
Fri 16/5
7:15 a.m.-4:40 p.m.
2 stops9h 25m
Key West
Fri 23/5
7:29 p.m.-11:59 a.m.
1 stop16h 30m
TorontoKey West
YYZ - EYW
YYZEYW
Toronto Pearson Intl
Sat 23/8
6:35 p.m.-6:05 p.m.
2 stops23h 30m
Key West
Sat 30/8
6:45 p.m.-7:42 p.m.
1 stop24h 57m
TorontoKey West
YYZ - EYW
YYZEYW
Toronto Pearson Intl
Fri 16/5
11:30 a.m.-8:07 p.m.
1 stop8h 37m
Key West
Fri 23/5
6:25 p.m.-11:55 p.m.
1 stop5h 30m
TorontoKey West
YTZ - EYW
YTZEYW
Toronto Island
Thu 15/5
5:15 p.m.-4:41 p.m.
2 stops23h 26m
Key West
Thu 22/5
4:06 p.m.-7:27 p.m.
3 stops27h 21m
MontrealKey West
YUL - EYW
YULEYW
Montreal Pierre Elliott Trudeau Intl
Sat 21/6
4:00 p.m.-1:48 p.m.
1 stop21h 48m
Key West
Sat 28/6
2:40 p.m.-10:44 p.m.
1 stop8h 04m
MontrealKey West
YUL - EYW
YULEYW
Montreal Pierre Elliott Trudeau Intl
Fri 18/4
6:00 p.m.-5:17 p.m.
1 stop23h 17m
Key West
Mon 21/4
6:13 p.m.-4:52 p.m.
1 stop22h 39m
Best time to book a flight from Ontario to Key West
Have a flexible travel schedule? Discover the best time to fly to Key West from Ontario with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Ontario to Key West
What is the cheapest time of day to fly from ON to EYW?
Find hourly flight availability from Ontario to Key West. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 2 April 2025.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Region of Ontario to Key West as you normally would.
Rainfall in Key West by month
Plan your trip to Key West by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Key West ranges from 38.0 - 170.0 mm per month. September is typically the wettest month, when rainfall can reach 170.0 mm. February is typically the driest time to visit Key West when rainfall is around 38.0 mm.
Temperature in Key West by month
Plan your trip to Key West by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Key West, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.0 C).
Reviews of airlines servicing Key West
Get insights into the airlines that provide service to Key West. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Key West. Reviews last updated 2 April 2025.
See what other customers who have flown with Delta, United Airlines and American Airlines from Ontario to Key West have to say. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
Crew
Overall
Food
Entertainment
Boarding
Reviews
Richard,Sep 2023
YYZ - ATL
Comfort
Crew
Overall
Food
Entertainment
Boarding
Reviews
Richard,Sep 2023
YYZ - ATL
Comfort
Crew
Overall
Food
Entertainment
Boarding
Reviews
Richard,Sep 2023
YYZ - ATL
Comfort
Crew
Overall
Food
Entertainment
Boarding
Reviews
Richard,Sep 2023
YYZ - ATL
Comfort
Crew
Overall
Food
Entertainment
Boarding
Reviews
Richard,Sep 2023
YYZ - ATL
Related info for your journey
Find useful and relevant information for your journey from Ontario to Key West. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Ontario to Key West
See prices for flight routes from nearby airports that may be better suited for you.
Top 4 airlines flying from Ontario to Key West
Discover the top 4 airlines that operate flights from Ontario to Key West. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 2 April 2025.
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How does Cheapflights help users find flights from Ontario to Key West?
Cheapflights makes it easy to find Ontario to Key West flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.
Why should you use Cheapflights to find cheap flight tickets from Ontario to Key West?
Cheapflights helps you find that perfect flight to Key West from Ontario by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!
Can Cheapflights find flights from Ontario to Key West with no change fees?
Users can book flights with no change fees policies with our dedicated filters. Book flights from Ontario to Key West flexibly with Cheapflights today.
Can Cheapflights notify me if prices for flights from Ontario to Key West become cheaper?
Yes, Cheapflights offers price alerts on Ontario to Key West flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.